<body>
    <div class="container-fluid video-container">
        <div class="row row-cols-1 row-cols-md-3 row-cols-lg-4 video-deck">
            
            <div class="col video-deck-single" id="empty-deck-single"></div><div class="col video-deck-single"></div><div class="col video-deck-single"></div><div class="col video-deck-single"></div><div class="col video-deck-single"></div><div class="col video-deck-single"></div>
        </div>
    </div>
</body>